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Grooves and polished surfaces on desert pebbles are most likely caused by A.deflation B.abrasion C.yardangs
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Grooves and polished surfaces on desert pebbles are most likely caused by

A.deflation

B.abrasion

C.yardangs

User Ethel
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1 Answer

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B. abrasion. Abrasion is pretty much friction on the rocks. Yardangs don't really apply to this situation and I have never heard of a deflated rock:P Hope that helps:)
User Anupama Boorlagadda
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